plugins/text/pretty/pretty.c

   1 /*
   2  * pretty.c
   3  *
   4  * Babeltrace CTF Text Output Plugin
   5  *
   6  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  * Copyright 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  *
   9  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  */
  29
  30 #include <babeltrace/plugin/plugin-dev.h>
  31 #include <babeltrace/graph/component.h>
  32 #include <babeltrace/graph/private-component.h>
  33 #include <babeltrace/graph/private-component-sink.h>
  34 #include <babeltrace/graph/component-sink.h>
  35 #include <babeltrace/graph/port.h>
  36 #include <babeltrace/graph/private-port.h>
  37 #include <babeltrace/graph/connection.h>
  38 #include <babeltrace/graph/private-connection.h>
  39 #include <babeltrace/graph/notification.h>
  40 #include <babeltrace/graph/notification-iterator.h>
  41 #include <babeltrace/graph/notification-event.h>
  42 #include <babeltrace/values.h>
  43 #include <babeltrace/compiler-internal.h>
  44 #include <babeltrace/common-internal.h>
  45 #include <plugins-common.h>
  46 #include <stdio.h>
  47 #include <stdbool.h>
  48 #include <glib.h>
  49 #include <assert.h>
  50
  51 #include "pretty.h"
  52
  53 static
  54 const char *plugin_options[] = {
  55         "color",
  56         "path",
  57         "no-delta",
  58         "clock-cycles",
  59         "clock-seconds",
  60         "clock-date",
  61         "clock-gmt",
  62         "verbose",
  63         "name-default",         /* show/hide */
  64         "name-payload",
  65         "name-context",
  66         "name-scope",
  67         "name-header",
  68         "field-default",        /* show/hide */
  69         "field-trace",
  70         "field-trace:hostname",
  71         "field-trace:domain",
  72         "field-trace:procname",
  73         "field-trace:vpid",
  74         "field-loglevel",
  75         "field-emf",
  76         "field-callsite",
  77 };
  78
  79 static
  80 void destroy_pretty_data(struct pretty_component *pretty)
  81 {
  82         bt_put(pretty->input_iterator);
  83         (void) g_string_free(pretty->string, TRUE);
  84         if (pretty->out != stdout) {
  85                 int ret;
  86
  87                 ret = fclose(pretty->out);
  88                 if (ret) {
  89                         perror("close output file");
  90                 }
  91         }
  92         g_free(pretty->options.output_path);
  93         g_free(pretty);
  94 }
  95
  96 static
  97 struct pretty_component *create_pretty(void)
  98 {
  99         struct pretty_component *pretty;
 100
 101         pretty = g_new0(struct pretty_component, 1);
 102         if (!pretty) {
 103                 goto end;
 104         }
 105         pretty->string = g_string_new("");
 106         if (!pretty->string) {
 107                 goto error;
 108         }
 109 end:
 110         return pretty;
 111
 112 error:
 113         g_free(pretty);
 114         return NULL;
 115 }
 116
 117 BT_HIDDEN
 118 void pretty_finalize(struct bt_private_component *component)
 119 {
 120         void *data = bt_private_component_get_user_data(component);
 121
 122         destroy_pretty_data(data);
 123 }
 124
 125 static
 126 enum bt_component_status handle_notification(struct pretty_component *pretty,
 127                 struct bt_notification *notification)
 128 {
 129         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 130
 131         assert(pretty);
 132
 133         if (bt_notification_get_type(notification) == BT_NOTIFICATION_TYPE_EVENT) {
 134                 ret = pretty_print_event(pretty, notification);
 135         }
 136
 137         return ret;
 138 }
 139
 140 BT_HIDDEN
 141 void pretty_port_connected(
 142                 struct bt_private_component *component,
 143                 struct bt_private_port *self_port,
 144                 struct bt_port *other_port)
 145 {
 146         struct bt_private_connection *connection;
 147         struct pretty_component *pretty;
 148         static const enum bt_notification_type notif_types[] = {
 149                 BT_NOTIFICATION_TYPE_EVENT,
 150                 BT_NOTIFICATION_TYPE_SENTINEL,
 151         };
 152
 153         pretty = bt_private_component_get_user_data(component);
 154         assert(pretty);
 155         assert(!pretty->input_iterator);
 156         connection = bt_private_port_get_private_connection(self_port);
 157         assert(connection);
 158         pretty->input_iterator =
 159                 bt_private_connection_create_notification_iterator(connection,
 160                         notif_types);
 161
 162         if (!pretty->input_iterator) {
 163                 pretty->error = true;
 164         }
 165
 166         bt_put(connection);
 167 }
 168
 169 BT_HIDDEN
 170 enum bt_component_status pretty_consume(struct bt_private_component *component)
 171 {
 172         enum bt_component_status ret;
 173         struct bt_notification *notification = NULL;
 174         struct bt_notification_iterator *it;
 175         struct pretty_component *pretty =
 176                 bt_private_component_get_user_data(component);
 177         enum bt_notification_iterator_status it_ret;
 178
 179         if (unlikely(pretty->error)) {
 180                 ret = BT_COMPONENT_STATUS_ERROR;
 181                 goto end;
 182         }
 183
 184         it = pretty->input_iterator;
 185         it_ret = bt_notification_iterator_next(it);
 186
 187         switch (it_ret) {
 188         case BT_NOTIFICATION_ITERATOR_STATUS_ERROR:
 189                 ret = BT_COMPONENT_STATUS_ERROR;
 190                 goto end;
 191         case BT_NOTIFICATION_ITERATOR_STATUS_END:
 192                 ret = BT_COMPONENT_STATUS_END;
 193                 BT_PUT(pretty->input_iterator);
 194                 goto end;
 195         case BT_NOTIFICATION_ITERATOR_STATUS_AGAIN:
 196                 ret = BT_COMPONENT_STATUS_AGAIN;
 197                 goto end;
 198         case BT_NOTIFICATION_ITERATOR_STATUS_OK:
 199                 break;
 200         default:
 201                 ret = BT_COMPONENT_STATUS_ERROR;
 202                 goto end;
 203         }
 204
 205         notification = bt_notification_iterator_get_notification(it);
 206         assert(notification);
 207         ret = handle_notification(pretty, notification);
 208
 209 end:
 210         bt_put(notification);
 211         return ret;
 212 }
 213
 214 static
 215 enum bt_component_status add_params_to_map(struct bt_value *plugin_opt_map)
 216 {
 217         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 218         unsigned int i;
 219
 220         for (i = 0; i < BT_ARRAY_SIZE(plugin_options); i++) {
 221                 const char *key = plugin_options[i];
 222                 enum bt_value_status status;
 223
 224                 status = bt_value_map_insert(plugin_opt_map, key, bt_value_null);
 225                 switch (status) {
 226                 case BT_VALUE_STATUS_OK:
 227                         break;
 228                 default:
 229                         ret = BT_COMPONENT_STATUS_ERROR;
 230                         goto end;
 231                 }
 232         }
 233 end:
 234         return ret;
 235 }
 236
 237 static
 238 bt_bool check_param_exists(const char *key, struct bt_value *object, void *data)
 239 {
 240         struct pretty_component *pretty = data;
 241         struct bt_value *plugin_opt_map = pretty->plugin_opt_map;
 242
 243         if (!bt_value_map_get(plugin_opt_map, key)) {
 244                 fprintf(pretty->err,
 245                         "[warning] Parameter \"%s\" unknown to \"text.pretty\" sink component\n", key);
 246         }
 247         return BT_TRUE;
 248 }
 249
 250 static
 251 enum bt_component_status apply_one_string(const char *key,
 252                 struct bt_value *params,
 253                 char **option)
 254 {
 255         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 256         struct bt_value *value = NULL;
 257         enum bt_value_status status;
 258         const char *str;
 259
 260         value = bt_value_map_get(params, key);
 261         if (!value) {
 262                 goto end;
 263         }
 264         if (bt_value_is_null(value)) {
 265                 goto end;
 266         }
 267         status = bt_value_string_get(value, &str);
 268         switch (status) {
 269         case BT_VALUE_STATUS_OK:
 270                 break;
 271         default:
 272                 ret = BT_COMPONENT_STATUS_ERROR;
 273                 goto end;
 274         }
 275         *option = g_strdup(str);
 276 end:
 277         bt_put(value);
 278         return ret;
 279 }
 280
 281 static
 282 enum bt_component_status apply_one_bool(const char *key,
 283                 struct bt_value *params,
 284                 bool *option,
 285                 bool *found)
 286 {
 287         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 288         struct bt_value *value = NULL;
 289         enum bt_value_status status;
 290         bt_bool bool_val;
 291
 292         value = bt_value_map_get(params, key);
 293         if (!value) {
 294                 goto end;
 295         }
 296         status = bt_value_bool_get(value, &bool_val);
 297         switch (status) {
 298         case BT_VALUE_STATUS_OK:
 299                 break;
 300         default:
 301                 ret = BT_COMPONENT_STATUS_ERROR;
 302                 goto end;
 303         }
 304         *option = (bool) bool_val;
 305         if (found) {
 306                 *found = true;
 307         }
 308 end:
 309         bt_put(value);
 310         return ret;
 311 }
 312
 313 static
 314 void warn_wrong_color_param(struct pretty_component *pretty)
 315 {
 316         fprintf(pretty->err,
 317                 "[warning] Accepted values for the \"color\" parameter are:\n    \"always\", \"auto\", \"never\"\n");
 318 }
 319
 320 static
 321 enum bt_component_status open_output_file(struct pretty_component *pretty)
 322 {
 323         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 324
 325         if (!pretty->options.output_path) {
 326                 goto end;
 327         }
 328
 329         pretty->out = fopen(pretty->options.output_path, "w");
 330         if (!pretty->out) {
 331                 goto error;
 332         }
 333
 334         goto end;
 335
 336 error:
 337         ret = BT_COMPONENT_STATUS_ERROR;
 338 end:
 339         return ret;
 340 }
 341
 342 static
 343 enum bt_component_status apply_params(struct pretty_component *pretty,
 344                 struct bt_value *params)
 345 {
 346         enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
 347         enum bt_value_status status;
 348         bool value, found;
 349         char *str = NULL;
 350
 351         pretty->plugin_opt_map = bt_value_map_create();
 352         if (!pretty->plugin_opt_map) {
 353                 ret = BT_COMPONENT_STATUS_ERROR;
 354                 goto end;
 355         }
 356         ret = add_params_to_map(pretty->plugin_opt_map);
 357         if (ret != BT_COMPONENT_STATUS_OK) {
 358                 goto end;
 359         }
 360         /* Report unknown parameters. */
 361         status = bt_value_map_foreach(params, check_param_exists, pretty);
 362         switch (status) {
 363         case BT_VALUE_STATUS_OK:
 364                 break;
 365         default:
 366                 ret = BT_COMPONENT_STATUS_ERROR;
 367                 goto end;
 368         }
 369         /* Known parameters. */
 370         pretty->options.color = PRETTY_COLOR_OPT_AUTO;
 371         if (bt_value_map_has_key(params, "color")) {
 372                 struct bt_value *color_value;
 373                 const char *color;
 374
 375                 color_value = bt_value_map_get(params, "color");
 376                 if (!color_value) {
 377                         goto end;
 378                 }
 379
 380                 status = bt_value_string_get(color_value, &color);
 381                 if (status) {
 382                         warn_wrong_color_param(pretty);
 383                 } else {
 384                         if (strcmp(color, "never") == 0) {
 385                                 pretty->options.color = PRETTY_COLOR_OPT_NEVER;
 386                         } else if (strcmp(color, "auto") == 0) {
 387                                 pretty->options.color = PRETTY_COLOR_OPT_AUTO;
 388                         } else if (strcmp(color, "always") == 0) {
 389                                 pretty->options.color = PRETTY_COLOR_OPT_ALWAYS;
 390                         } else {
 391                                 warn_wrong_color_param(pretty);
 392                         }
 393                 }
 394
 395                 bt_put(color_value);
 396         }
 397
 398         ret = apply_one_string("path", params, &pretty->options.output_path);
 399         if (ret != BT_COMPONENT_STATUS_OK) {
 400                 goto end;
 401         }
 402         ret = open_output_file(pretty);
 403         if (ret != BT_COMPONENT_STATUS_OK) {
 404                 goto end;
 405         }
 406
 407         value = false;          /* Default. */
 408         ret = apply_one_bool("no-delta", params, &value, NULL);
 409         if (ret != BT_COMPONENT_STATUS_OK) {
 410                 goto end;
 411         }
 412         pretty->options.print_delta_field = !value;     /* Reverse logic. */
 413
 414         value = false;          /* Default. */
 415         ret = apply_one_bool("clock-cycles", params, &value, NULL);
 416         if (ret != BT_COMPONENT_STATUS_OK) {
 417                 goto end;
 418         }
 419         pretty->options.print_timestamp_cycles = value;
 420
 421         value = false;          /* Default. */
 422         ret = apply_one_bool("clock-seconds", params, &value, NULL);
 423         if (ret != BT_COMPONENT_STATUS_OK) {
 424                 goto end;
 425         }
 426         pretty->options.clock_seconds = value;
 427
 428         value = false;          /* Default. */
 429         ret = apply_one_bool("clock-date", params, &value, NULL);
 430         if (ret != BT_COMPONENT_STATUS_OK) {
 431                 goto end;
 432         }
 433         pretty->options.clock_date = value;
 434
 435         value = false;          /* Default. */
 436         ret = apply_one_bool("clock-gmt", params, &value, NULL);
 437         if (ret != BT_COMPONENT_STATUS_OK) {
 438                 goto end;
 439         }
 440         pretty->options.clock_gmt = value;
 441
 442         value = false;          /* Default. */
 443         ret = apply_one_bool("verbose", params, &value, NULL);
 444         if (ret != BT_COMPONENT_STATUS_OK) {
 445                 goto end;
 446         }
 447         pretty->options.verbose = value;
 448
 449         /* Names. */
 450         ret = apply_one_string("name-default", params, &str);
 451         if (ret != BT_COMPONENT_STATUS_OK) {
 452                 goto end;
 453         }
 454         if (!str) {
 455                 pretty->options.name_default = PRETTY_DEFAULT_UNSET;
 456         } else if (!strcmp(str, "show")) {
 457                 pretty->options.name_default = PRETTY_DEFAULT_SHOW;
 458         } else if (!strcmp(str, "hide")) {
 459                 pretty->options.name_default = PRETTY_DEFAULT_HIDE;
 460         } else {
 461                 ret = BT_COMPONENT_STATUS_ERROR;
 462                 goto end;
 463         }
 464         g_free(str);
 465         str = NULL;
 466
 467         switch (pretty->options.name_default) {
 468         case PRETTY_DEFAULT_UNSET:
 469                 pretty->options.print_payload_field_names = true;
 470                 pretty->options.print_context_field_names = true;
 471                 pretty->options.print_header_field_names = false;
 472                 pretty->options.print_scope_field_names = false;
 473                 break;
 474         case PRETTY_DEFAULT_SHOW:
 475                 pretty->options.print_payload_field_names = true;
 476                 pretty->options.print_context_field_names = true;
 477                 pretty->options.print_header_field_names = true;
 478                 pretty->options.print_scope_field_names = true;
 479                 break;
 480         case PRETTY_DEFAULT_HIDE:
 481                 pretty->options.print_payload_field_names = false;
 482                 pretty->options.print_context_field_names = false;
 483                 pretty->options.print_header_field_names = false;
 484                 pretty->options.print_scope_field_names = false;
 485                 break;
 486         default:
 487                 ret = BT_COMPONENT_STATUS_ERROR;
 488                 goto end;
 489         }
 490
 491         value = false;
 492         found = false;
 493         ret = apply_one_bool("name-payload", params, &value, &found);
 494         if (ret != BT_COMPONENT_STATUS_OK) {
 495                 goto end;
 496         }
 497         if (found) {
 498                 pretty->options.print_payload_field_names = value;
 499         }
 500
 501         value = false;
 502         found = false;
 503         ret = apply_one_bool("name-context", params, &value, &found);
 504         if (ret != BT_COMPONENT_STATUS_OK) {
 505                 goto end;
 506         }
 507         if (found) {
 508                 pretty->options.print_context_field_names = value;
 509         }
 510
 511         value = false;
 512         found = false;
 513         ret = apply_one_bool("name-header", params, &value, &found);
 514         if (ret != BT_COMPONENT_STATUS_OK) {
 515                 goto end;
 516         }
 517         if (found) {
 518                 pretty->options.print_header_field_names = value;
 519         }
 520
 521         value = false;
 522         found = false;
 523         ret = apply_one_bool("name-scope", params, &value, &found);
 524         if (ret != BT_COMPONENT_STATUS_OK) {
 525                 goto end;
 526         }
 527         if (found) {
 528                 pretty->options.print_scope_field_names = value;
 529         }
 530
 531         /* Fields. */
 532         ret = apply_one_string("field-default", params, &str);
 533         if (ret != BT_COMPONENT_STATUS_OK) {
 534                 goto end;
 535         }
 536         if (!str) {
 537                 pretty->options.field_default = PRETTY_DEFAULT_UNSET;
 538         } else if (!strcmp(str, "show")) {
 539                 pretty->options.field_default = PRETTY_DEFAULT_SHOW;
 540         } else if (!strcmp(str, "hide")) {
 541                 pretty->options.field_default = PRETTY_DEFAULT_HIDE;
 542         } else {
 543                 ret = BT_COMPONENT_STATUS_ERROR;
 544                 goto end;
 545         }
 546         g_free(str);
 547         str = NULL;
 548
 549         switch (pretty->options.field_default) {
 550         case PRETTY_DEFAULT_UNSET:
 551                 pretty->options.print_trace_field = false;
 552                 pretty->options.print_trace_hostname_field = true;
 553                 pretty->options.print_trace_domain_field = false;
 554                 pretty->options.print_trace_procname_field = true;
 555                 pretty->options.print_trace_vpid_field = true;
 556                 pretty->options.print_loglevel_field = false;
 557                 pretty->options.print_emf_field = false;
 558                 pretty->options.print_callsite_field = false;
 559                 break;
 560         case PRETTY_DEFAULT_SHOW:
 561                 pretty->options.print_trace_field = true;
 562                 pretty->options.print_trace_hostname_field = true;
 563                 pretty->options.print_trace_domain_field = true;
 564                 pretty->options.print_trace_procname_field = true;
 565                 pretty->options.print_trace_vpid_field = true;
 566                 pretty->options.print_loglevel_field = true;
 567                 pretty->options.print_emf_field = true;
 568                 pretty->options.print_callsite_field = true;
 569                 break;
 570         case PRETTY_DEFAULT_HIDE:
 571                 pretty->options.print_trace_field = false;
 572                 pretty->options.print_trace_hostname_field = false;
 573                 pretty->options.print_trace_domain_field = false;
 574                 pretty->options.print_trace_procname_field = false;
 575                 pretty->options.print_trace_vpid_field = false;
 576                 pretty->options.print_loglevel_field = false;
 577                 pretty->options.print_emf_field = false;
 578                 pretty->options.print_callsite_field = false;
 579                 break;
 580         default:
 581                 ret = BT_COMPONENT_STATUS_ERROR;
 582                 goto end;
 583         }
 584
 585         value = false;
 586         found = false;
 587         ret = apply_one_bool("field-trace", params, &value, &found);
 588         if (ret != BT_COMPONENT_STATUS_OK) {
 589                 goto end;
 590         }
 591         if (found) {
 592                 pretty->options.print_trace_field = value;
 593         }
 594
 595         value = false;
 596         found = false;
 597         ret = apply_one_bool("field-trace:hostname", params, &value, &found);
 598         if (ret != BT_COMPONENT_STATUS_OK) {
 599                 goto end;
 600         }
 601         if (found) {
 602                 pretty->options.print_trace_hostname_field = value;
 603         }
 604
 605         value = false;
 606         found = false;
 607         ret = apply_one_bool("field-trace:domain", params, &value, &found);
 608         if (ret != BT_COMPONENT_STATUS_OK) {
 609                 goto end;
 610         }
 611         if (found) {
 612                 pretty->options.print_trace_domain_field = value;
 613         }
 614
 615         value = false;
 616         found = false;
 617         ret = apply_one_bool("field-trace:procname", params, &value, &found);
 618         if (ret != BT_COMPONENT_STATUS_OK) {
 619                 goto end;
 620         }
 621         if (found) {
 622                 pretty->options.print_trace_procname_field = value;
 623         }
 624
 625         value = false;
 626         found = false;
 627         ret = apply_one_bool("field-trace:vpid", params, &value, &found);
 628         if (ret != BT_COMPONENT_STATUS_OK) {
 629                 goto end;
 630         }
 631         if (found) {
 632                 pretty->options.print_trace_vpid_field = value;
 633         }
 634
 635         value = false;
 636         found = false;
 637         ret = apply_one_bool("field-loglevel", params, &value, &found);
 638         if (ret != BT_COMPONENT_STATUS_OK) {
 639                 goto end;
 640         }
 641         if (found) {
 642                 pretty->options.print_loglevel_field = value;
 643         }
 644
 645         value = false;
 646         found = false;
 647         ret = apply_one_bool("field-emf", params, &value, &found);
 648         if (ret != BT_COMPONENT_STATUS_OK) {
 649                 goto end;
 650         }
 651         if (found) {
 652                 pretty->options.print_emf_field = value;
 653         }
 654
 655         value = false;
 656         found = false;
 657         ret = apply_one_bool("field-callsite", params, &value, &found);
 658         if (ret != BT_COMPONENT_STATUS_OK) {
 659                 goto end;
 660         }
 661         if (found) {
 662                 pretty->options.print_callsite_field = value;
 663         }
 664
 665 end:
 666         bt_put(pretty->plugin_opt_map);
 667         pretty->plugin_opt_map = NULL;
 668         g_free(str);
 669         return ret;
 670 }
 671
 672 static
 673 void set_use_colors(struct pretty_component *pretty)
 674 {
 675         switch (pretty->options.color) {
 676         case PRETTY_COLOR_OPT_ALWAYS:
 677                 pretty->use_colors = true;
 678                 break;
 679         case PRETTY_COLOR_OPT_AUTO:
 680                 pretty->use_colors = pretty->out == stdout &&
 681                         bt_common_colors_supported();
 682                 break;
 683         case PRETTY_COLOR_OPT_NEVER:
 684                 pretty->use_colors = false;
 685                 break;
 686         }
 687 }
 688
 689 static
 690 void init_stream_packet_context_quarks(void)
 691 {
 692         stream_packet_context_quarks[Q_TIMESTAMP_BEGIN] =
 693                 g_quark_from_string("timestamp_begin");
 694         stream_packet_context_quarks[Q_TIMESTAMP_BEGIN] =
 695                 g_quark_from_string("timestamp_begin");
 696         stream_packet_context_quarks[Q_TIMESTAMP_END] =
 697                 g_quark_from_string("timestamp_end");
 698         stream_packet_context_quarks[Q_EVENTS_DISCARDED] =
 699                 g_quark_from_string("events_discarded");
 700         stream_packet_context_quarks[Q_CONTENT_SIZE] =
 701                 g_quark_from_string("content_size");
 702         stream_packet_context_quarks[Q_PACKET_SIZE] =
 703                 g_quark_from_string("packet_size");
 704         stream_packet_context_quarks[Q_PACKET_SEQ_NUM] =
 705                 g_quark_from_string("packet_seq_num");
 706 }
 707
 708 BT_HIDDEN
 709 enum bt_component_status pretty_init(
 710                 struct bt_private_component *component,
 711                 struct bt_value *params,
 712                 UNUSED_VAR void *init_method_data)
 713 {
 714         enum bt_component_status ret;
 715         struct pretty_component *pretty = create_pretty();
 716         void *priv_port;
 717
 718         if (!pretty) {
 719                 ret = BT_COMPONENT_STATUS_NOMEM;
 720                 goto end;
 721         }
 722
 723         priv_port = bt_private_component_sink_add_input_private_port(component,
 724                 "in", NULL);
 725         if (!priv_port) {
 726                 ret = BT_COMPONENT_STATUS_NOMEM;
 727                 goto end;
 728         }
 729
 730         bt_put(priv_port);
 731
 732         pretty->out = stdout;
 733         pretty->err = stderr;
 734
 735         pretty->delta_cycles = -1ULL;
 736         pretty->last_cycles_timestamp = -1ULL;
 737
 738         pretty->delta_real_timestamp = -1ULL;
 739         pretty->last_real_timestamp = -1ULL;
 740
 741         ret = apply_params(pretty, params);
 742         if (ret != BT_COMPONENT_STATUS_OK) {
 743                 goto error;
 744         }
 745
 746         set_use_colors(pretty);
 747         ret = bt_private_component_set_user_data(component, pretty);
 748         if (ret != BT_COMPONENT_STATUS_OK) {
 749                 goto error;
 750         }
 751
 752         init_stream_packet_context_quarks();
 753
 754 end:
 755         return ret;
 756 error:
 757         destroy_pretty_data(pretty);
 758         return ret;
 759 }